diff --git a/tests/test_base.py b/tests/test_base.py
new file mode 100644
index 00000000..a9ab5cdc
--- /dev/null
+++ b/tests/test_base.py
@@ -0,0 +1,447 @@
+import contextlib
+import os
+
+from testtools import TestCase
+from mock import Mock
+
+from reddwarfclient import base
+from reddwarfclient import exceptions
+from reddwarfclient import utils
+
+"""
+Unit tests for base.py
+"""
+
+
+def obj_class(self, res, loaded=True):
+    return res
+
+
+class BaseTest(TestCase):
+
+    def test_getid(self):
+        obj = "test"
+        r = base.getid(obj)
+        self.assertEqual(obj, r)
+
+        test_id = "test_id"
+        obj = Mock()
+        obj.id = test_id
+        r = base.getid(obj)
+        self.assertEqual(test_id, r)
+
+
+class ManagerTest(TestCase):
+
+    def setUp(self):
+        super(ManagerTest, self).setUp()
+        self.orig__init = base.Manager.__init__
+        base.Manager.__init__ = Mock(return_value=None)
+        self.orig_os_makedirs = os.makedirs
+
+    def tearDown(self):
+        super(ManagerTest, self).tearDown()
+        base.Manager.__init__ = self.orig__init
+        os.makedirs = self.orig_os_makedirs
+
+    def test___init__(self):
+        api = Mock()
+        base.Manager.__init__ = self.orig__init
+        manager = base.Manager(api)
+        self.assertEqual(api, manager.api)
+
+    def test_completion_cache(self):
+        manager = base.Manager()
+
+        # handling exceptions
+        mode = "w"
+        cache_type = "unittest"
+        obj_class = Mock
+        with manager.completion_cache(cache_type, obj_class, mode):
+            pass
+
+        os.makedirs = Mock(side_effect=OSError)
+        with manager.completion_cache(cache_type, obj_class, mode):
+            pass
+
+    def test_write_to_completion_cache(self):
+        manager = base.Manager()
+
+        # no cache object, nothing should happen
+        manager.write_to_completion_cache("non-exist", "val")
+
+        def side_effect_func(val):
+            return val
+
+        manager._mock_cache = Mock()
+        manager._mock_cache.write = Mock(return_value=None)
+        manager.write_to_completion_cache("mock", "val")
+        self.assertEqual(1, manager._mock_cache.write.call_count)
+
+    def _get_mock(self):
+        manager = base.Manager()
+        manager.api = Mock()
+        manager.api.client = Mock()
+
+        def side_effect_func(self, body, loaded=True):
+            return body
+
+        manager.resource_class = Mock(side_effect=side_effect_func)
+        return manager
+
+    def test__get_with_response_key_none(self):
+        manager = self._get_mock()
+        url_ = "test-url"
+        body_ = "test-body"
+        resp_ = "test-resp"
+        manager.api.client.get = Mock(return_value=(resp_, body_))
+        r = manager._get(url=url_, response_key=None)
+        self.assertEqual(body_, r)
+
+    def test__get_with_response_key(self):
+        manager = self._get_mock()
+        response_key = "response_key"
+        body_ = {response_key: "test-resp-key-body"}
+        url_ = "test_url_get"
+        manager.api.client.get = Mock(return_value=(url_, body_))
+        r = manager._get(url=url_, response_key=response_key)
+        self.assertEqual(body_[response_key], r)
+
+    def test__create(self):
+        manager = base.Manager()
+        manager.api = Mock()
+        manager.api.client = Mock()
+
+        response_key = "response_key"
+        data_ = "test-data"
+        body_ = {response_key: data_}
+        url_ = "test_url_post"
+        manager.api.client.post = Mock(return_value=(url_, body_))
+
+        return_raw = True
+        r = manager._create(url_, body_, response_key, return_raw)
+        self.assertEqual(data_, r)
+
+        return_raw = False
+
+        @contextlib.contextmanager
+        def completion_cache_mock(*arg, **kwargs):
+            yield
+
+        mock = Mock()
+        mock.side_effect = completion_cache_mock
+        manager.completion_cache = mock
+
+        manager.resource_class = Mock(return_value="test-class")
+        r = manager._create(url_, body_, response_key, return_raw)
+        self.assertEqual("test-class", r)
+
+    def get_mock_mng_api_client(self):
+        manager = base.Manager()
+        manager.api = Mock()
+        manager.api.client = Mock()
+        return manager
+
+    def test__delete(self):
+        resp_ = "test-resp"
+        body_ = "test-body"
+
+        manager = self.get_mock_mng_api_client()
+        manager.api.client.delete = Mock(return_value=(resp_, body_))
+        # _delete just calls api.client.delete, and does nothing
+        # the correctness should be tested in api class
+        manager._delete("test-url")
+        pass
+
+    def test__update(self):
+        resp_ = "test-resp"
+        body_ = "test-body"
+
+        manager = self.get_mock_mng_api_client()
+        manager.api.client.put = Mock(return_value=(resp_, body_))
+        body = manager._update("test-url", body_)
+        self.assertEqual(body_, body)
+
+
+class ManagerListTest(ManagerTest):
+
+    def setUp(self):
+        super(ManagerListTest, self).setUp()
+
+        @contextlib.contextmanager
+        def completion_cache_mock(*arg, **kwargs):
+            yield
+
+        self.manager = base.Manager()
+        self.manager.api = Mock()
+        self.manager.api.client = Mock()
+
+        self.response_key = "response_key"
+        self.data_p = ["p1", "p2"]
+        self.body_p = {self.response_key: self.data_p}
+        self.url_p = "test_url_post"
+        self.manager.api.client.post = Mock(return_value=(self.url_p,
+                                                          self.body_p))
+
+        self.data_g = ["g1", "g2", "g3"]
+        self.body_g = {self.response_key: self.data_g}
+        self.url_g = "test_url_get"
+        self.manager.api.client.get = Mock(return_value=(self.url_g,
+                                                         self.body_g))
+
+        mock = Mock()
+        mock.side_effect = completion_cache_mock
+        self.manager.completion_cache = mock
+
+    def tearDown(self):
+        super(ManagerListTest, self).tearDown()
+
+    def obj_class(self, res, loaded=True):
+        return res
+
+    def test_list_with_body_none(self):
+        body = None
+        l = self.manager._list("url", self.response_key, obj_class, body)
+        self.assertEqual(len(self.data_g), len(l))
+        for i in range(0, len(l)):
+            self.assertEqual(self.data_g[i], l[i])
+
+    def test_list_body_not_none(self):
+        body = "something"
+        l = self.manager._list("url", self.response_key, obj_class, body)
+        self.assertEqual(len(self.data_p), len(l))
+        for i in range(0, len(l)):
+            self.assertEqual(self.data_p[i], l[i])
+
+    def test_list_key_mapping(self):
+        data_ = {"values": ["p1", "p2"]}
+        body_ = {self.response_key: data_}
+        url_ = "test_url_post"
+        self.manager.api.client.post = Mock(return_value=(url_, body_))
+        l = self.manager._list("url", self.response_key,
+                               obj_class, "something")
+        data = data_["values"]
+        self.assertEqual(len(data), len(l))
+        for i in range(0, len(l)):
+            self.assertEqual(data[i], l[i])
+
+    def test_list_without_key_mapping(self):
+        data_ = {"v1": "1", "v2": "2"}
+        body_ = {self.response_key: data_}
+        url_ = "test_url_post"
+        self.manager.api.client.post = Mock(return_value=(url_, body_))
+        l = self.manager._list("url", self.response_key,
+                               obj_class, "something")
+        self.assertEqual(len(data_), len(l))
+
+
+class ManagerWithFind(TestCase):
+
+    def setUp(self):
+        super(ManagerWithFind, self).setUp()
+        self.orig__init = base.ManagerWithFind.__init__
+        base.ManagerWithFind.__init__ = Mock(return_value=None)
+        self.manager = base.ManagerWithFind()
+
+    def tearDown(self):
+        super(ManagerWithFind, self).tearDown()
+        base.ManagerWithFind.__init__ = self.orig__init
+
+    def test_find(self):
+        obj1 = Mock()
+        obj1.attr1 = "v1"
+        obj1.attr2 = "v2"
+        obj1.attr3 = "v3"
+
+        obj2 = Mock()
+        obj2.attr1 = "v1"
+        obj2.attr2 = "v2"
+
+        self.manager.list = Mock(return_value=[obj1, obj2])
+        self.manager.resource_class = Mock
+
+        # exactly one match case
+        found = self.manager.find(attr1="v1", attr2="v2", attr3="v3")
+        self.assertEqual(obj1, found)
+
+        # no match case
+        self.assertRaises(exceptions.NotFound, self.manager.find,
+                          attr1="v2", attr2="v2", attr3="v3")
+
+        # multiple matches case
+        obj2.attr3 = "v3"
+        self.assertRaises(exceptions.NoUniqueMatch, self.manager.find,
+                          attr1="v1", attr2="v2", attr3="v3")
+
+    def test_findall(self):
+        obj1 = Mock()
+        obj1.attr1 = "v1"
+        obj1.attr2 = "v2"
+        obj1.attr3 = "v3"
+
+        obj2 = Mock()
+        obj2.attr1 = "v1"
+        obj2.attr2 = "v2"
+
+        self.manager.list = Mock(return_value=[obj1, obj2])
+
+        found = self.manager.findall(attr1="v1", attr2="v2", attr3="v3")
+        self.assertEqual(1, len(found))
+        self.assertEqual(obj1, found[0])
+
+        found = self.manager.findall(attr1="v2", attr2="v2", attr3="v3")
+        self.assertEqual(0, len(found))
+
+        found = self.manager.findall(attr7="v1", attr2="v2")
+        self.assertEqual(0, len(found))
+
+    def test_list(self):
+        # this method is not yet implemented, exception expected
+        self.assertRaises(NotImplementedError, self.manager.list)
+
+
+class ResourceTest(TestCase):
+
+    def setUp(self):
+        super(ResourceTest, self).setUp()
+        self.orig___init__ = base.Resource.__init__
+
+    def tearDown(self):
+        super(ResourceTest, self).tearDown()
+        base.Resource.__init__ = self.orig___init__
+
+    def test___init__(self):
+        manager = Mock()
+        manager.write_to_completion_cache = Mock(return_value=None)
+
+        info_ = {}
+        robj = base.Resource(manager, info_)
+        self.assertEqual(0, manager.write_to_completion_cache.call_count)
+
+        info_ = {"id": "id-with-less-than-36-char"}
+        robj = base.Resource(manager, info_)
+        self.assertEqual(info_["id"], robj.id)
+        self.assertEqual(0, manager.write_to_completion_cache.call_count)
+
+        id_ = "id-with-36-char-"
+        for i in range(36 - len(id_)):
+            id_ = id_ + "-"
+        info_ = {"id": id_}
+        robj = base.Resource(manager, info_)
+        self.assertEqual(info_["id"], robj.id)
+        self.assertEqual(1, manager.write_to_completion_cache.call_count)
+
+        info_["name"] = "test-human-id"
+        # Resource.HUMAN_ID is False
+        robj = base.Resource(manager, info_)
+        self.assertEqual(info_["id"], robj.id)
+        self.assertEqual(None, robj.human_id)
+        self.assertEqual(2, manager.write_to_completion_cache.call_count)
+
+        # base.Resource.HUMAN_ID = True
+        info_["HUMAN_ID"] = True
+        robj = base.Resource(manager, info_)
+        self.assertEqual(info_["id"], robj.id)
+        self.assertEqual(info_["name"], robj.human_id)
+        self.assertEqual(4, manager.write_to_completion_cache.call_count)
+
+    def test_human_id(self):
+        manager = Mock()
+        manager.write_to_completion_cache = Mock(return_value=None)
+
+        info_ = {"name": "test-human-id"}
+        robj = base.Resource(manager, info_)
+        self.assertEqual(None, robj.human_id)
+
+        info_["HUMAN_ID"] = True
+        robj = base.Resource(manager, info_)
+        self.assertEqual(info_["name"], robj.human_id)
+        robj.name = "new-human-id"
+        self.assertEqual("new-human-id", robj.human_id)
+
+    def get_mock_resource_obj(self):
+        base.Resource.__init__ = Mock(return_value=None)
+        robj = base.Resource()
+        return robj
+
+    def test__add_details(self):
+        robj = self.get_mock_resource_obj()
+        info_ = {"name": "test-human-id", "test_attr": 5}
+        robj._add_details(info_)
+        self.assertEqual(info_["name"], robj.name)
+        self.assertEqual(info_["test_attr"], robj.test_attr)
+
+    def test___getattr__(self):
+        robj = self.get_mock_resource_obj()
+        info_ = {"name": "test-human-id", "test_attr": 5}
+        robj._add_details(info_)
+        self.assertEqual(info_["test_attr"], robj.__getattr__("test_attr"))
+
+        # TODO: looks like causing infinite recursive calls
+        #robj.__getattr__("test_non_exist_attr")
+
+    def test___repr__(self):
+        robj = self.get_mock_resource_obj()
+        info_ = {"name": "test-human-id", "test_attr": 5}
+        robj._add_details(info_)
+
+        expected = "<Resource name=test-human-id, test_attr=5>"
+        self.assertEqual(expected,  robj.__repr__())
+
+    def test_get(self):
+        robj = self.get_mock_resource_obj()
+        manager = Mock()
+        manager.get = None
+
+        robj.manager = object()
+        robj.get()
+
+        manager = Mock()
+        robj.manager = Mock()
+
+        robj.id = "id"
+        new = Mock()
+        new._info = {"name": "test-human-id", "test_attr": 5}
+        robj.manager.get = Mock(return_value=new)
+        robj.get()
+        self.assertEqual("test-human-id", robj.name)
+        self.assertEqual(5, robj.test_attr)
+
+    def tes___eq__(self):
+        robj = self.get_mock_resource_obj()
+        other = base.Resource()
+
+        info_ = {"name": "test-human-id", "test_attr": 5}
+        robj._info = info_
+        other._info = {}
+        self.assertNotTrue(robj.__eq__(other))
+
+        robj._info = info_
+        self.assertTrue(robj.__eq__(other))
+
+        robj.id = "rid"
+        other.id = "oid"
+        self.assertNotTrue(robj.__eq__(other))
+
+        other.id = "rid"
+        self.assertTrue(robj.__eq__(other))
+
+        # not instance of the same class
+        other = Mock()
+        self.assertNotTrue(robj.__eq__(other))
+
+    def test_is_loaded(self):
+        robj = self.get_mock_resource_obj()
+        robj._loaded = True
+        self.assertTrue(robj.is_loaded())
+
+        robj._loaded = False
+        self.assertFalse(robj.is_loaded())
+
+    def test_set_loaded(self):
+        robj = self.get_mock_resource_obj()
+        robj.set_loaded(True)
+        self.assertTrue(robj._loaded)
+
+        robj.set_loaded(False)
+        self.assertFalse(robj._loaded)